A 17-year-old from North Bend, Nebraska, was killed when her car struck an SUV on northbound I‑55 near Towanda; investigators are working the scene.

A 60‑year‑old pedestrian was struck and killed mid‑block on Camino Ruiz in Mira Mesa. Police say the driver is not believed to have been impaired and the Traffic Division is investigating.

Four people were shot near Powell Street BART just before 1 a.m.; victims were taken to San Francisco General and police searched the Market & Mason area for suspects.